SERVER-75062 Allow telemetry sampling rate to be adjusted at runtime

1 files changed, 17 insertions, 14 deletions

diff --git a/jstests/noPassthroughWithMongod/telemetry_configuration.js b/jstests/noPassthroughWithMongod/telemetry_configuration.js
index 8d0b6ed68b5..0ae4e8408c3 100644
--- a/jstests/noPassthroughWithMongod/telemetry_configuration.js
+++ b/jstests/noPassthroughWithMongod/telemetry_configuration.js
@@ -8,25 +8,28 @@
 load("jstests/libs/feature_flag_util.js");
 
 if (FeatureFlagUtil.isEnabled(db, "Telemetry")) {
-    // The feature flag is enabled - make sure the telemetry store can be configured.
-    const original = assert.commandWorked(
-        db.adminCommand({getParameter: 1, internalQueryConfigureTelemetryCacheSize: 1}));
-    assert(original.hasOwnProperty("internalQueryConfigureTelemetryCacheSize"), original);
-    const originalValue = original.internalQueryConfigureTelemetryCacheSize;
-    try {
-        assert.doesNotThrow(
-            () => db.adminCommand(
-                {setParameter: 1, internalQueryConfigureTelemetryCacheSize: '2MB'}));
-        // Other tests verify that resizing actually affects the data structure size.
-    } finally {
-        assert.doesNotThrow(
-            () => db.adminCommand(
-                {setParameter: 1, internalQueryConfigureTelemetryCacheSize: originalValue}));
+    function testTelemetrySetting(paramName, paramValue) {
+        // The feature flag is enabled - make sure the telemetry store can be configured.
+        const original = assert.commandWorked(db.adminCommand({getParameter: 1, [paramName]: 1}));
+        assert(original.hasOwnProperty(paramName), original);
+        const originalValue = original[paramName];
+        try {
+            assert.doesNotThrow(() => db.adminCommand({setParameter: 1, [paramName]: paramValue}));
+            // Other tests verify that changing the parameter actually affects the behavior.
+        } finally {
+            assert.doesNotThrow(() =>
+                                    db.adminCommand({setParameter: 1, [paramName]: originalValue}));
+        }
     }
+    testTelemetrySetting("internalQueryConfigureTelemetryCacheSize", "2MB");
+    testTelemetrySetting("internalQueryConfigureTelemetrySamplingRate", 2147483647);
 } else {
     // The feature flag is disabled - make sure the telemetry store *cannot* be configured.
     assert.commandFailedWithCode(
         db.adminCommand({setParameter: 1, internalQueryConfigureTelemetryCacheSize: '2MB'}),
         7373500);
+    assert.commandFailedWithCode(
+        db.adminCommand({setParameter: 1, internalQueryConfigureTelemetrySamplingRate: 2147483647}),
+        7506200);
 }
 }());